* {
    margin: 0;
    padding: 0;
}

body{ 
    display: flex;
    justify-content: center;
    align-items: center;
	width:100vw;
	height:100vh;
}

#particles-js{
    position: absolute;
    width: 100vw;
    height: 99vh;
    background-image: url('../img/bg.png');
    background-size: 100% 100%;
}

.lihui{
    position: fixed;
    width: 80vw;
    height: 80vw;
    max-width: 700px;
    max-height: 700px;
    right: 0;
    bottom: 0;
    background-size: cover;
    transition: all 2s;
    &:hover {
        right: -700px;
    }
}

// 移动端
@media screen and (max-width: 767px) {
    #particles-js {
        background-image: url('../img/mbg2.png');
    }
    .lihui{
        right: -20vw;
        transition: all 1s;
        &:hover {
            right: 20vw;
        }
    }
};